<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .test{
            display: none;
        }
        #list{
            background-color: aquamarine;
        }
        .ball{
            width: 200px;
            height: 200px;
            background-color: red;
            position: relative;
            
        }
    </style>
</head>
<body>
    
    <div id="one">111111111</div>
    <p class="two">222222222</p>
    <p class="two">222222222</p>
    <p class="two">222222222</p>
    <p class="two">222222222</p>
    <ul>
        <li>3333333</li>
        <li>3333333</li>
        <li>3333333</li>
        <li>3333333</li>
    </ul>
    <button class="hide">点击隐藏、淡出</button>
    <button class="show">点击显示、淡入</button>
    <button class="tog">点击切换</button>
    <ul id="list" style="color: red;">
        <li>444444444</li>
        <li id="five">555555555</li>
        <li>444444444</li>
        <li>444444444</li>
    </ul>
    <input type="text" value="123">

    <button class="btn">点击动画</button>
    <div class="ball"></div>



    <script src="./jquery-3.7.1.min.js"></script>

    <script src="./笔记.js"></script>

    
</body>
</html>